UNIVERSAL CITY, Calif. � December 17, 2008 � The finale of "The Biggest Loser 6" last night gave NBC its highest 18-49 rating with entertainment programming in its Tuesday time period in three years, winning its slot in adults 18-49 and other key measures, according to "fast affiliate-based" "live plus same day" viewing figures from Nielsen Media Research.

Last night from 8-10 p.m. ET, the finale of "The Biggest Loser 6" (4.5 rating, 12 share in adults 18-49, 11.7 million viewers overall) delivered NBC's highest 18-49 rating in this time period with entertainment programming since November 29, 2005 and the network's biggest overall viewership in the slot with entertainment programming since August 21, 2007.

"The Biggest Loser" was the #1 program on the broadcast networks last night in primetime's key demographic of adults 18-49. It ranked #1 from 8-10 p.m. in adults 18-49 and other key measures, including adults, men and women 18-34 and men and women 18-49, against competition that included first-run episodes of CBS's "NCIS" and "The Mentalist" and ABC's encore telecast of the holiday special "A Charlie Brown Christmas."

The finale of "The Biggest Loser 6" generated the series' biggest overall viewership since the finale of "The Biggest Loser 3" on December 13, 2006 and the show's highest 18-49 rating since the finale of "The Biggest Loser 4" on December 18, 2007. Versus the most recent "Biggest Loser 5" finale on April 15, last night's telecast increased by 2 percent in both 18-49 rating (4.5 vs. 4.4) and total viewers (11.7 million vs. 11.4 million), pending updates.

From its first half-hour to its fourth, "Biggest Loser" increased by 44 percent in 18-49 rating (to a 5.2/13 from a 3.6/10) and by 33 percent or 3.2 million persons in total viewers (to 13.0 million from 9.8 million).

At 10 p.m. ET, a preview telecast of the new series "Momma's Boys" (2.5/7 in 18-49, 6.1 million viewers overall) ranked #1 among the broadcast networks in adults, men and women 18-34 and #2 in adults, men and women 18-49. "Momma's Boys" will make its Monday debut on December 22.